Water fountain



FIG. 1 is a top, front and side perspective view of water fountain showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof from the left of FIG. 2; and,

FIG. 4 is a side elevational view thereof from the right of FIG. 2. 

The ornamental design for a water fountain, as shown. 